(19)

(11)

EP 4 229 439 A1

(12)

(43) Date of publication: 23.08.2023 Bulletin 2023/34 (21) Application number: 22709086.7 (22) Date of filing: 09.02.2022

(51) International Patent Classification (IPC):  G01S 7/497(2006.01) G01S 17/894(2020.01) G01S 7/481(2006.01) G01S 17/931(2020.01) (52) Cooperative Patent Classification (CPC): G01S 7/497; G01S 7/4816; G01S 17/894; G01S 17/931; G01S 7/4863; G01S 7/4865 (86) International application number: PCT/US2022/015858 (87) International publication number: WO 2022/191946 (15.09.2022 Gazette 2022/37)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 10.03.2021 US 202117197314 (71) Applicant: Allegro MicroSystems, LLC Manchester, NH 03103-3353 (US)	(72) Inventors: TAYLOR, William, P Amherst, New Hampshire 03031 (US) CADUGAN, Bryan Bedford, New Hampshire 03110 (US) (74) Representative: South, Nicholas Geoffrey et al AA Thornton IP LLP 8th Floor, 125 Old Broad Street London EC2N 1AR London EC2N 1AR (GB)